Detector



FIG. 1 illustrates a rear perspective view of a detector according to the present invention, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 illustrates a front perspective view of the detector according to the present invention;

FIG. 3 illustrates a right side view of the detector according to the present invention;

FIG. 4 illustrates a top plan view of the detector according to the present invention;

FIG. 5 illustrates a left side view of the detector according to the present invention;

FIG. 6 illustrates a front side view of the detector according to the present invention;

FIG. 7 illustrates a bottom side view of the detector according to the present invention; and,

FIG. 8 illustrates a back side view of the detector according tot he present invention. 

The ornamental design for a detector, as shown and described. 